Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000822818-26-000015
Filing Date
2026-04-10
Accepted
2026-04-10 14:55:36
Documents
6

Document Format Files

Seq Description Document Type Size
1 DEFA14A e-proxynoticex2025.htm DEFA14A 12025
2 IMAGE cleanharborsinc_autoxregxn.jpg GRAPHIC 1675917
3 cleanharborsinc_autoxregxna.jpg GRAPHIC 1246874
4 clhlogoa.jpg GRAPHIC 28274
5 proxycheckboximagea.jpg GRAPHIC 1445
6 proxyuncheckimagea.jpg GRAPHIC 1059
  Complete submission text file 0000822818-26-000015.txt   4081661
Mailing Address 42 LONGWATER DRIVE NORWELL MA 02061-9149
Business Address 42 LONGWATER DRIVE P.O. BOX 9149 NORWELL MA 02061-9149 781-792-5000
CLEAN HARBORS INC (Filer) CIK: 0000822818 (see all company filings)

EIN.: 042997780 | State of Incorp.: MA | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-34223 | Film No.: 26854452
SIC: 4955 Hazardous Waste Management
(CF Office: 01 Energy & Transportation)